fix: health check all endpoints with right per enpoint path

issue: resolving #24

router.py

@@ -3754,21 +3754,37 @@ async def health_proxy(request: Request):
         - `endpoints`: a mapping of endpoint URL → `{status, version|detail}`.
     * The HTTP status code is 200 when everything is healthy, 503 otherwise.
     """
-    # Run all health checks in parallel
-    tasks = [fetch.endpoint_details(ep, "/api/version", "version", skip_error_cache=True) for ep in config.endpoints] # if not is_ext_openai_endpoint(ep)]
+    # Run all health checks in parallel.
+    # Ollama endpoints expose /api/version; OpenAI-compatible endpoints (vLLM,
+    # llama-server, external) expose /models.  Using /api/version against an
+    # OpenAI-compatible endpoint yields a 404 and noisy log output.
+    all_endpoints = list(config.endpoints)
+    llama_eps_extra = [ep for ep in config.llama_server_endpoints if ep not in config.endpoints]
+    all_endpoints += llama_eps_extra
+
+    tasks = []
+    for ep in all_endpoints:
+        if is_openai_compatible(ep):
+            tasks.append(fetch.endpoint_details(ep, "/models", "data", config.api_keys.get(ep), skip_error_cache=True))
+        else:
+            tasks.append(fetch.endpoint_details(ep, "/api/version", "version", skip_error_cache=True))
 
     results = await asyncio.gather(*tasks, return_exceptions=True)
 
     health_summary = {}
     overall_ok = True
 
-    for ep, result in zip(config.endpoints, results):
+    for ep, result in zip(all_endpoints, results):
         if isinstance(result, Exception):
             # Endpoint did not respond / returned an error
             health_summary[ep] = {"status": "error", "detail": str(result)}
             overall_ok = False
         else:
-            # Successful response – report the reported version
+            # Successful response – report the reported version (Ollama) or
+            # indicate the endpoint is reachable (OpenAI-compatible).
+            if is_openai_compatible(ep):
+                health_summary[ep] = {"status": "ok"}
+            else:
                 health_summary[ep] = {"status": "ok", "version": result}
 
     response_payload = {